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If x+y+z =xyz, then sum(2x)/(1-x^(2))=...

If `x+y+z =xyz, ` then `sum(2x)/(1-x^(2))=`

A

1

B

2

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-2

D

-1

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BEYOND PUBLICATION-MODEL PAPER-EXERCISE
  1. Solve the qudratic polynomial x^(2) - 3x-4 by graphical method.

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  2. The H.C.F of 31, 43 and 47 is…………

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  3. If x+y+z =xyz, then sum(2x)/(1-x^(2))=

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  4. n(A) = 14, n(B)= 11, n(AnnB)=19 then n(AuuB)=…..

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  5. If a fraction becomes 2 when 9 is added to its numerator and 1 when 2 ...

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  6. The sum of squares of two consecutive positive even numbers is 340, th...

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  7. Which term of G.P. 3, 3sqrt(3), 9, ……. equals to 243?

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  8. If sqrt a + sqrt b is an irrational number, then which of the followin...

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  9. The graph y=ax+b is a straight line which intersects X-axis at

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  10. If x^2+ax+b=0,x^2+bx+a=0 have a common roots then

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  11. Coefficient of x in a polynomial ax^2 + bx + c is '0'. Then its zeroes...

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  12. The series (n-1),(n-2),(n-3),…. Is a type of

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  13. A metal cuboid of dimension 22 cm xx 15 cm xx 7.5 cm , was melted and ...

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  14. If log a, log b, log c are in A.P. then a,b,c are

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  15. To calculate the quantity of milk inside a bottle, we need to find out...

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  16. The altitude of a right triangle is 7 cm less than its base. If the hy...

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  17. Length of the dark line given in the diagram

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  18. The shaded area in the figure shows

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  19. Solution of x-y=2,x+y=0 lies in…..quadrant.

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  20. Inconsistent equations may represent.

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